Select the incorrect statement regarding the | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) The evolution of the heart shows a transition from simple to complex structures.$1$. Cartilaginous fishes (Chondrichthyes) possess a two-chambered

Vedclass · Accepted Answer

Cartilaginous fishes have a non-chambered heart.

Vedclass · Answer

(A) The evolution of the heart shows a transition from simple to complex structures.$1$. Cartilaginous fishes (Chondrichthyes) possess a two-chambered heart (one atrium and one ventricle),not a non-chambered heart.$2$. Amphibians have a three-chambered heart (two atria and one ventricle).$3$. Reptiles (except crocodiles) have a three-chambered heart with a partially divided ventricle.$4$. Birds and mammals have a four-chambered heart (two atria and two ventricles).Therefore,option $A$ is the incorrect statement.

Select the incorrect statement regarding the evolution of the heart.

Similar Questions

In rays (cartilaginous fish),the mouth is located on which side?

Which of the following features is used to identify the sex of the given animal?

Statement-$I$: Teeth of cartilaginous fishes are modified placoid scales which are backwardly directed.
Statement-$II$: Jaws of cartilaginous fishes are very powerful.

Which of the following is a true fish?

$Trygon$ (sting ray) possesses which of the following characteristics?

Vedclass Test Series

Exam Paper Generator

Online Exam Module